alb3840935

Talc from Massachusetts

Talc, hydrous magnesium silicate, is the softest known mineral and is number 1 on the Mohs hardness scale. When ground up into fine particles, it is sold as 'talcum powder' and used as a drying agent. It forms as an alteration product of other silicates in localities worldwide. Talc is usually massive or 'foliated' (in sheets) and has a pearly luster and a 'soapy' or greasy feel. The material found in digging the Hoosac Tunnel in Massachusetts is extremely typical of the species.

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Title:

Talc from Massachusetts

Caption:

Talc, hydrous magnesium silicate, is the softest known mineral and is number 1 on the Mohs hardness scale. When ground up into fine particles, it is sold as 'talcum powder' and used as a drying agent. It forms as an alteration product of other silicates in localities worldwide. Talc is usually massive or 'foliated' (in sheets) and has a pearly luster and a 'soapy' or greasy feel. The material found in digging the Hoosac Tunnel in Massachusetts is extremely typical of the species.

Credit:

Album / Science Source / JOEL AREM

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Model: No - Property: No
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Image size:

2553 x 3855 px | 28.2 MB

Print size:

21.6 x 32.6 cm | 8.5 x 12.9 in (300 dpi)

Keywords:

AREM • COLLECTION • CRYSTAL • CRYSTALS • FOLIATED • GEOLOGIA • GEOLOGY • HYDROUS • LIFE • LUSTER • MAGNESIUM • MINERAL • MINERALOGY • MINERALS • NATURE • OBJECT • OBJECTS • ORES • PEARLY • SILICATE • SPECIMEN • SPÉCIMENS • STILL • UMBRELLA